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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "config.h"
#include "core/paint/FileUploadControlPainter.h"
#include "core/rendering/PaintInfo.h"
#include "core/rendering/RenderButton.h"
#include "core/rendering/RenderFileUploadControl.h"
#include "core/rendering/TextRunConstructor.h"
namespace blink {
const int buttonShadowHeight = 2;
void FileUploadControlPainter::paintObject(const PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
if (m_renderFileUploadControl.style()->visibility() != VISIBLE)
return;
// Push a clip.
GraphicsContextStateSaver stateSaver(*paintInfo.context, false);
if (paintInfo.phase == PaintPhaseForeground || paintInfo.phase == PaintPhaseChildBlockBackgrounds) {
IntRect clipRect = enclosingIntRect(LayoutRect(
LayoutPoint(paintOffset.x() + m_renderFileUploadControl.borderLeft(), paintOffset.y() + m_renderFileUploadControl.borderTop()),
m_renderFileUploadControl.size() + LayoutSize(0, -m_renderFileUploadControl.borderWidth() + buttonShadowHeight)));
if (clipRect.isEmpty())
return;
stateSaver.save();
paintInfo.context->clip(clipRect);
}
if (paintInfo.phase == PaintPhaseForeground) {
const String& displayedFilename = m_renderFileUploadControl.fileTextValue();
const Font& font = m_renderFileUploadControl.style()->font();
TextRun textRun = constructTextRun(&m_renderFileUploadControl, font, displayedFilename, m_renderFileUploadControl.style(), TextRun::AllowTrailingExpansion, RespectDirection | RespectDirectionOverride);
// Determine where the filename should be placed
LayoutUnit contentLeft = paintOffset.x() + m_renderFileUploadControl.borderLeft() + m_renderFileUploadControl.paddingLeft();
Node* button = m_renderFileUploadControl.uploadButton();
if (!button)
return;
int buttonWidth = (button && button->renderBox()) ? button->renderBox()->pixelSnappedWidth() : 0;
LayoutUnit buttonAndSpacingWidth = buttonWidth + RenderFileUploadControl::afterButtonSpacing;
float textWidth = font.width(textRun);
LayoutUnit textX;
if (m_renderFileUploadControl.style()->isLeftToRightDirection())
textX = contentLeft + buttonAndSpacingWidth;
else
textX = contentLeft + m_renderFileUploadControl.contentWidth() - buttonAndSpacingWidth - textWidth;
LayoutUnit textY = 0;
// We want to match the button's baseline
// FIXME: Make this work with transforms.
if (RenderButton* buttonRenderer = toRenderButton(button->renderer()))
textY = paintOffset.y() + m_renderFileUploadControl.borderTop() + m_renderFileUploadControl.paddingTop() + buttonRenderer->baselinePosition(AlphabeticBaseline, true, HorizontalLine, PositionOnContainingLine);
else
textY = m_renderFileUploadControl.baselinePosition(AlphabeticBaseline, true, HorizontalLine, PositionOnContainingLine);
TextRunPaintInfo textRunPaintInfo(textRun);
// FIXME: Shouldn't these offsets be rounded? crbug.com/350474
textRunPaintInfo.bounds = FloatRect(textX.toFloat(), textY.toFloat() - m_renderFileUploadControl.style()->fontMetrics().ascent(),
textWidth, m_renderFileUploadControl.style()->fontMetrics().height());
paintInfo.context->setFillColor(m_renderFileUploadControl.resolveColor(CSSPropertyColor));
// Draw the filename
paintInfo.context->drawBidiText(font, textRunPaintInfo, FloatPoint(roundToInt(textX), roundToInt(textY)));
}
// Paint the children.
m_renderFileUploadControl.RenderBlockFlow::paintObject(paintInfo, paintOffset);
}
} // namespace blink
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